/*
 * Copyright (C) 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.ChecksumException;
import com.google.zxing.DecodeHintType;
import com.google.zxing.FormatException;
import com.google.zxing.LuminanceSource;
import com.google.zxing.NotFoundException;
import com.google.zxing.PlanarYUVLuminanceSource;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
import com.google.zxing.ResultPoint;
import com.google.zxing.client.android.camera.CameraManager;
import com.google.zxing.client.android.history.HistoryActivity;
import com.google.zxing.client.android.history.HistoryItem;
import com.google.zxing.client.android.history.HistoryManager;
import com.google.zxing.client.android.result.ResultButtonListener;
import com.google.zxing.client.android.result.ResultHandler;
import com.google.zxing.client.android.result.ResultHandlerFactory;
import com.google.zxing.client.android.result.supplement.SupplementalInfoRetriever;
import com.google.zxing.client.android.share.ShareActivity;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.preference.PreferenceManager;
import android.provider.MediaStore;
import android.text.ClipboardManager;
import android.text.TextUtils;
import android.util.Log;
import android.util.TypedValue;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.google.zxing.MultiFormatReader;
import com.google.zxing.FakeR;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.text.DateFormat;
import java.util.Collection;
import java.util.Date;
import java.util.EnumSet;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;

import com.google.zxing.client.android.R;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.QRCodeReader;

/**
 * This activity opens the camera and does the actual scanning on a background
 * thread. It draws a viewfinder to help the user place the barcode correctly,
 * shows feedback as the image processing is happening, and then overlays the
 * results when a scan is successful.
 *
 * @author dswitkin@google.com (Daniel Switkin)
 * @author Sean Owen
 */
public final class CaptureActivity extends Activity implements
		SurfaceHolder.Callback {
	private static FakeR fakeR;

	private static final int REQUEST_CODE = 234;

	private static final String TAG = CaptureActivity.class.getSimpleName();

	private static final long DEFAULT_INTENT_RESULT_DURATION_MS = 1500L;
	private static final long BULK_MODE_SCAN_DELAY_MS = 1000L;

	private static final String PACKAGE_NAME = "com.google.zxing.client.android";
	private static final String PRODUCT_SEARCH_URL_PREFIX = "http://www.google";
	private static final String PRODUCT_SEARCH_URL_SUFFIX = "/m/products/scan";
	private static final String[] ZXING_URLS = {
			"http://zxing.appspot.com/scan", "zxing://scan/" };
	private static final String RETURN_CODE_PLACEHOLDER = "{CODE}";
	private static final String RETURN_URL_PARAM = "ret";
	private static final String RAW_PARAM = "raw";

	public static final int HISTORY_REQUEST_CODE = 0x0000bacc;

	private static final Set<ResultMetadataType> DISPLAYABLE_METADATA_TYPES = EnumSet
			.of(ResultMetadataType.ISSUE_NUMBER,
					ResultMetadataType.SUGGESTED_PRICE,
					ResultMetadataType.ERROR_CORRECTION_LEVEL,
					ResultMetadataType.POSSIBLE_COUNTRY);

	private CameraManager cameraManager;
	private CaptureActivityHandler handler;
	private Result savedResultToShow;
	private ViewfinderView viewfinderView;
	private TextView statusView;
	private View resultView;
	private Result lastResult;
	private boolean hasSurface;
	private boolean copyToClipboard;
	private IntentSource source;
	private String sourceUrl;
	private String returnUrlTemplate;
	private boolean returnRaw;
	private Collection<BarcodeFormat> decodeFormats;
	private String characterSet;
	private HistoryManager historyManager;
	private InactivityTimer inactivityTimer;
	private BeepManager beepManager;

	private View navbarView;

	private String photo_path;
	private Bitmap scanBitmap;

	ViewfinderView getViewfinderView() {
		return viewfinderView;
	}

	public Handler getHandler() {
		return handler;
	}

	CameraManager getCameraManager() {
		return cameraManager;
	}

	@Override
	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		fakeR = new FakeR(this);

		Window window = getWindow();
		window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
		setContentView(fakeR.getId("layout", "capture"));
		// setContentView(R.layout.capture);

		hasSurface = false;
		historyManager = new HistoryManager(this);
		historyManager.trimHistory();
		inactivityTimer = new InactivityTimer(this);
		beepManager = new BeepManager(this);

		PreferenceManager.setDefaultValues(this,
				fakeR.getId("xml", "preferences"), false);

		// showHelpOnFirstLaunch();

		cameraManager = new CameraManager(getApplication());
		// CameraManager.init(getApplication());

		viewfinderView = (ViewfinderView) findViewById(fakeR.getId("id",
				"viewfinder_view"));
		viewfinderView.setCameraManager(cameraManager);

		resultView = findViewById(fakeR.getId("id", "result_view"));
		statusView = (TextView) findViewById(fakeR.getId("id", "status_view"));
		navbarView = findViewById(fakeR.getId("id", "navbar_view"));

		handler = null;
		lastResult = null;

		// viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
		initView();

		hasSurface = false;
		inactivityTimer = new InactivityTimer(this);
	}

	private void initView() {

		try {

			// ImageView imgBack =
			// (ImageView)this.findViewById(fakeR.getId("id",
			// "mo_scanner_back"));
			// ImageView imgBack =
			// (ImageView)this.findViewById(R.id.capture_scanner_back);
			//
			// imgBack.setOnClickListener(new OnClickListener() {
			// @Override
			// public void onClick(View v) {
			// // TODO Auto-generated method stub
			// finish();
			// }
			// });

			findViewById(fakeR.getId("id", "capture_scanner_back"))
					.setOnClickListener(new OnClickListener() {

						@Override
						public void onClick(View v) {
							finish();
						}
					});

			findViewById(fakeR.getId("id", "mo_scanner_photo"))
					.setOnClickListener(new OnClickListener() {

						@Override
						public void onClick(View v) {
							// photo();
						}
					});

			findViewById(fakeR.getId("id", "mo_scanner_light"))
					.setOnClickListener(new OnClickListener() {

						@Override
						public void onClick(View v) {
							// 闪光灯
							light();
						}
					});
		} catch (Exception e) {
			// TODO: handle exception

			Log.d("initView >>>", "navbar_view  id is null");
		}
	}

	boolean flag = true;

	protected void light() {
		if (flag == true) {
			flag = false;
			// 开闪光灯
			// CameraManager.get().openLight();
			// cameraManager.get().openLight();
			cameraManager.openLight();

		} else {
			flag = true;
			// 关闪光灯
			// CameraManager.get().offLight();
			cameraManager.offLight();

		}

	}

	private void photo() {

		Intent innerIntent = new Intent(); // "android.intent.action.GET_CONTENT"
		if (Build.VERSION.SDK_INT < 19) {
			innerIntent.setAction(Intent.ACTION_GET_CONTENT);
		} else {
			innerIntent.setAction(Intent.ACTION_OPEN_DOCUMENT);
		}
		// innerIntent.setAction(Intent.ACTION_GET_CONTENT);

		innerIntent.setType("image/*");

		Intent wrapperIntent = Intent.createChooser(innerIntent, "选择二维码图片");

		CaptureActivity.this
				.startActivityForResult(wrapperIntent, REQUEST_CODE);
	}

	@Override
	protected void onResume() {
		super.onResume();

		// CameraManager must be initialized here, not in onCreate(). This is
		// necessary because we don't
		// want to open the camera driver and measure the screen size if we're
		// going to show the help on
		// first launch. That led to bugs where the scanning rectangle was the
		// wrong size and partially
		// off screen.

		// cameraManager = new CameraManager(getApplication());
		//
		// viewfinderView = (ViewfinderView) findViewById(fakeR.getId("id",
		// "viewfinder_view"));
		// viewfinderView.setCameraManager(cameraManager);
		//
		// resultView = findViewById(fakeR.getId("id", "result_view"));
		// statusView = (TextView) findViewById(fakeR.getId("id",
		// "status_view"));
		//
		// handler = null;
		// lastResult = null;

		resetStatusView();

		SurfaceView surfaceView = (SurfaceView) findViewById(fakeR.getId("id",
				"preview_view"));
		SurfaceHolder surfaceHolder = surfaceView.getHolder();
		if (hasSurface) {
			// The activity was paused but not stopped, so the surface still
			// exists. Therefore
			// surfaceCreated() won't be called, so init the camera here.
			initCamera(surfaceHolder);
		} else {
			// Install the callback and wait for surfaceCreated() to init the
			// camera.
			surfaceHolder.addCallback(this);
			surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
		}

		beepManager.updatePrefs();

		inactivityTimer.onResume();

		Intent intent = getIntent();

		SharedPreferences prefs = PreferenceManager
				.getDefaultSharedPreferences(this);
		copyToClipboard = prefs.getBoolean(
				PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true)
				&& (intent == null || intent.getBooleanExtra(
						Intents.Scan.SAVE_HISTORY, true));

		// source = IntentSource.NONE;
		source = IntentSource.NATIVE_APP_INTENT;
		decodeFormats = null;
		characterSet = null;

		if (intent != null) {

			String action = intent.getAction();
			String dataString = intent.getDataString();

			if (Intents.Scan.ACTION.equals(action)) {

				// Scan the formats the intent requested, and return the result
				// to the calling activity.
				source = IntentSource.NATIVE_APP_INTENT;
				decodeFormats = DecodeFormatManager.parseDecodeFormats(intent);

				if (intent.hasExtra(Intents.Scan.WIDTH)
						&& intent.hasExtra(Intents.Scan.HEIGHT)) {
					int width = intent.getIntExtra(Intents.Scan.WIDTH, 0);
					int height = intent.getIntExtra(Intents.Scan.HEIGHT, 0);
					if (width > 0 && height > 0) {
						cameraManager.setManualFramingRect(width, height);
					}
				}

				String customPromptMessage = intent
						.getStringExtra(Intents.Scan.PROMPT_MESSAGE);
				if (customPromptMessage != null) {
					statusView.setText(customPromptMessage);
				}

			} else if (dataString != null
					&& dataString.contains(PRODUCT_SEARCH_URL_PREFIX)
					&& dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {

				// Scan only products and send the result to mobile Product
				// Search.
				source = IntentSource.PRODUCT_SEARCH_LINK;
				sourceUrl = dataString;
				decodeFormats = DecodeFormatManager.PRODUCT_FORMATS;

			} else if (isZXingURL(dataString)) {

				// Scan formats requested in query string (all formats if none
				// specified).
				// If a return URL is specified, send the results there.
				// Otherwise, handle it ourselves.
				source = IntentSource.ZXING_LINK;
				sourceUrl = dataString;
				Uri inputUri = Uri.parse(sourceUrl);
				returnUrlTemplate = inputUri
						.getQueryParameter(RETURN_URL_PARAM);
				returnRaw = inputUri.getQueryParameter(RAW_PARAM) != null;
				decodeFormats = DecodeFormatManager
						.parseDecodeFormats(inputUri);

			}
			characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);
		}

	}

	private static boolean isZXingURL(String dataString) {
		if (dataString == null) {
			return false;
		}
		for (String url : ZXING_URLS) {
			if (dataString.startsWith(url)) {
				return true;
			}
		}
		return false;
	}

	@Override
	protected void onPause() {
		if (handler != null) {
			handler.quitSynchronously();
			handler = null;
		}
		inactivityTimer.onPause();
		cameraManager.closeDriver();
		if (!hasSurface) {
			SurfaceView surfaceView = (SurfaceView) findViewById(fakeR.getId(
					"id", "preview_view"));
			SurfaceHolder surfaceHolder = surfaceView.getHolder();
			surfaceHolder.removeCallback(this);
		}
		super.onPause();

		// CameraManager.get().closeDriver();

	}

	@Override
	protected void onDestroy() {
		inactivityTimer.shutdown();
		super.onDestroy();
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		switch (keyCode) {
		case KeyEvent.KEYCODE_BACK:
			if (source == IntentSource.NATIVE_APP_INTENT) {
				setResult(RESULT_CANCELED);
				finish();
				return true;
			}
			if ((source == IntentSource.NONE || source == IntentSource.ZXING_LINK)
					&& lastResult != null) {
				restartPreviewAfterDelay(0L);
				return true;
			}
			break;
		case KeyEvent.KEYCODE_FOCUS:
		case KeyEvent.KEYCODE_CAMERA:
			// Handle these events so they don't launch the Camera app
			return true;
			// Use volume up/down to turn on light
		case KeyEvent.KEYCODE_VOLUME_DOWN:
			cameraManager.setTorch(false);
			return true;
		case KeyEvent.KEYCODE_VOLUME_UP:
			cameraManager.setTorch(true);
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater menuInflater = getMenuInflater();
		menuInflater.inflate(fakeR.getId("menu", "capture"), menu);
		return super.onCreateOptionsMenu(menu);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		Intent intent = new Intent(Intent.ACTION_VIEW);
		intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
		int itemId = item.getItemId();
		if (itemId == fakeR.getId("id", "menu_share")) {
			intent.setClassName(this, ShareActivity.class.getName());
			startActivity(intent);
		} else if (itemId == fakeR.getId("id", "menu_history")) {
			intent.setClassName(this, HistoryActivity.class.getName());
			startActivityForResult(intent, HISTORY_REQUEST_CODE);
		} else if (itemId == fakeR.getId("id", "menu_settings")) {
			intent.setClassName(this, PreferencesActivity.class.getName());
			startActivity(intent);
		} else if (itemId == fakeR.getId("id", "menu_help")) {
			intent.setClassName(this, HelpActivity.class.getName());
			startActivity(intent);
		} else {
			return super.onOptionsItemSelected(item);
		}
		return true;
	}

	@Override
	// public void onActivityResult(int requestCode, int resultCode, Intent
	// intent) {
	// if (resultCode == RESULT_OK) {
	// if (requestCode == HISTORY_REQUEST_CODE) {
	// int itemNumber = intent.getIntExtra(Intents.History.ITEM_NUMBER, -1);
	// if (itemNumber >= 0) {
	// HistoryItem historyItem = historyManager.buildHistoryItem(itemNumber);
	// decodeOrStoreSavedBitmap(null, historyItem.getResult());
	// }
	// }
	// }
	// }
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		if (resultCode == RESULT_OK) {
			switch (requestCode) {
			case REQUEST_CODE:
				String[] proj = { MediaStore.Images.Media.DATA };
				// 获取选中图片的路径
				Cursor cursor = getContentResolver().query(data.getData(),
						proj, null, null, null);
				if (cursor.moveToFirst()) {
					int column_index = cursor
							.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
					photo_path = cursor.getString(column_index);
					if (photo_path == null) {
						photo_path = Utils.getPath(getApplicationContext(),
								data.getData());
						Log.i("123path  Utils", photo_path);
					}
					Log.i("123path", photo_path);
				}
				cursor.close();
				new Thread(new Runnable() {
					@Override
					public void run() {

						Result result = scanningImage(photo_path);
						// String result = decode(photo_path);
						if (result == null) {
							Log.i("123", "   -----------");
							Looper.prepare();
							Toast.makeText(getApplicationContext(), "图片格式有误", 0)
									.show();
							Looper.loop();
						} else {
							Log.i("123result", result.toString());
							// Log.i("123result", result.getText());
							// 数据返回
							String recode = recode(result.toString());
							Intent data = new Intent();
							data.putExtra("result", recode);
							// setResult(300, data);
							setResult(0x0ba7c0de, data);
							finish();
						}
					}
				}).start();
				break;
			}
		}
	}

	// TODO: 解析部分图片
	protected Result scanningImage(String path) {
		if (TextUtils.isEmpty(path)) {

			return null;

		}
		// DecodeHintType 和EncodeHintType
		Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
		hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
		BitmapFactory.Options options = new BitmapFactory.Options();
		options.inJustDecodeBounds = true; // 先获取原大小
		scanBitmap = BitmapFactory.decodeFile(path, options);
		options.inJustDecodeBounds = false; // 获取新的大小

		int sampleSize = (int) (options.outHeight / (float) 200);

		if (sampleSize <= 0)
			sampleSize = 1;
		options.inSampleSize = sampleSize;
		scanBitmap = BitmapFactory.decodeFile(path, options);

		// --------------测试的解析方法---PlanarYUVLuminanceSource-这几行代码对project没作功----------

		LuminanceSource source1 = new PlanarYUVLuminanceSource(
				rgb2YUV(scanBitmap), scanBitmap.getWidth(),
				scanBitmap.getHeight(), 0, 0, scanBitmap.getWidth(),
				scanBitmap.getHeight(), false);
		BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(
				source1));
		MultiFormatReader reader1 = new MultiFormatReader();
		Result result1;
		try {
			result1 = reader1.decode(binaryBitmap);
			String content = result1.getText();
			Log.i("123content", content);
		} catch (NotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}

		// ----------------------------

		RGBLuminanceSource source = new RGBLuminanceSource(scanBitmap);
		BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
		QRCodeReader reader = new QRCodeReader();
		try {

			return reader.decode(bitmap1, hints);

		} catch (NotFoundException e) {

			e.printStackTrace();

		} catch (ChecksumException e) {

			e.printStackTrace();

		} catch (FormatException e) {

			e.printStackTrace();

		}
		Log.d("扫描本地图片>>", "失败");

		return null;

	}

	private void decodeOrStoreSavedBitmap(Bitmap bitmap, Result result) {
		// Bitmap isn't used yet -- will be used soon
		if (handler == null) {
			savedResultToShow = result;
		} else {
			if (result != null) {
				savedResultToShow = result;
			}
			if (savedResultToShow != null) {
				Message message = Message.obtain(handler,
						fakeR.getId("id", "decode_succeeded"),
						savedResultToShow);
				handler.sendMessage(message);
			}
			savedResultToShow = null;
		}
	}

	@Override
	public void surfaceCreated(SurfaceHolder holder) {
		if (holder == null) {
			Log.e(TAG,
					"*** WARNING *** surfaceCreated() gave us a null surface!");
		}
		if (!hasSurface) {
			hasSurface = true;
			initCamera(holder);
		}
	}

	@Override
	public void surfaceDestroyed(SurfaceHolder holder) {
		hasSurface = false;
	}

	@Override
	public void surfaceChanged(SurfaceHolder holder, int format, int width,
			int height) {

	}

	/**
	 * A valid barcode has been found, so give an indication of success and show
	 * the results.
	 *
	 * @param rawResult
	 *            The contents of the barcode.
	 * @param barcode
	 *            A greyscale bitmap of the camera data which was decoded.
	 */
	public void handleDecode(Result rawResult, Bitmap barcode) {

		Log.e("handleDecode 1=======>", rawResult.toString());

		inactivityTimer.onActivity();
		lastResult = rawResult;

		ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(
				this, rawResult);

		boolean fromLiveScan = barcode != null;
		if (fromLiveScan) {
			// historyManager.addHistoryItem(rawResult, resultHandler);
			// Then not from history, so beep/vibrate and we have an image to
			// draw on
			beepManager.playBeepSoundAndVibrate();
			drawResultPoints(barcode, rawResult);
		}

		switch (source) {
		case NATIVE_APP_INTENT:
		case PRODUCT_SEARCH_LINK:
			handleDecodeExternally(rawResult, resultHandler, barcode);
			break;
		case ZXING_LINK:
			if (returnUrlTemplate == null) {
				handleDecodeInternally(rawResult, resultHandler, barcode);
			} else {
				handleDecodeExternally(rawResult, resultHandler, barcode);
			}
			break;
		case NONE:
			SharedPreferences prefs = PreferenceManager
					.getDefaultSharedPreferences(this);
			if (fromLiveScan
					&& prefs.getBoolean(PreferencesActivity.KEY_BULK_MODE,
							false)) {
				String message = getResources().getString(
						fakeR.getId("string", "msg_bulk_mode_scanned"))
						+ " (" + rawResult.getText() + ')';
				Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
				// Wait a moment or else it will scan the same barcode
				// continuously about 3 times
				restartPreviewAfterDelay(BULK_MODE_SCAN_DELAY_MS);
			} else {
				handleDecodeInternally(rawResult, resultHandler, barcode);
			}
			break;
		}

//		 // 重新计时
//		 inactivityTimer.onActivity();
//		
//		 lastResult = rawResult;
//		
//		 // 把图片画到扫描框
//		 // viewfinderView.drawResultBitmap(barcode);
//		
//		 beepManager.playBeepSoundAndVibrate();
//		
//		 // Toast.makeText(this,
//		 // "识别结果:" + ResultParser.parseResult(rawResult).toString(),
//		 // Toast.LENGTH_SHORT).show();
//		
//		 String result = rawResult.getText();
//		
//		 if (!TextUtils.isEmpty(result)) {
//		 Intent intent = new Intent();
//		 intent.putExtra("SCAN_RESULT", rawResult.getText());
//		 intent.putExtra("SCAN_RESULT_FORMAT",
//		 rawResult.getBarcodeFormat().toString());
//		 setResult(RESULT_OK, intent);
//		 } else {
//		 setResult(RESULT_CANCELED);
//		 }
//		
//		 finish();
		Log.e("handleDecode 2=======>", rawResult.toString());

	}

	/**
	 * Superimpose a line for 1D or dots for 2D to highlight the key features of
	 * the barcode.
	 *
	 * @param barcode
	 *            A bitmap of the captured image.
	 * @param rawResult
	 *            The decoded results which contains the points to draw.
	 */
	private void drawResultPoints(Bitmap barcode, Result rawResult) {
		ResultPoint[] points = rawResult.getResultPoints();
		if (points != null && points.length > 0) {
			Canvas canvas = new Canvas(barcode);
			Paint paint = new Paint();
			paint.setColor(getResources().getColor(
					fakeR.getId("color", "result_points")));
			if (points.length == 2) {
				paint.setStrokeWidth(4.0f);
				drawLine(canvas, paint, points[0], points[1]);
			} else if (points.length == 4
					&& (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A || rawResult
							.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
				// Hacky special case -- draw two lines, for the barcode and
				// metadata
				drawLine(canvas, paint, points[0], points[1]);
				drawLine(canvas, paint, points[2], points[3]);
			} else {
				paint.setStrokeWidth(10.0f);
				for (ResultPoint point : points) {
					canvas.drawPoint(point.getX(), point.getY(), paint);
				}
			}
		}
	}

	private static void drawLine(Canvas canvas, Paint paint, ResultPoint a,
			ResultPoint b) {
		canvas.drawLine(a.getX(), a.getY(), b.getX(), b.getY(), paint);
	}

	// Put up our own UI for how to handle the decoded contents.
	private void handleDecodeInternally(Result rawResult,
			ResultHandler resultHandler, Bitmap barcode) {
		statusView.setVisibility(View.GONE);
		viewfinderView.setVisibility(View.GONE);
		resultView.setVisibility(View.VISIBLE);

		ImageView barcodeImageView = (ImageView) findViewById(fakeR.getId("id",
				"barcode_image_view"));
		if (barcode == null) {
			barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(
					getResources(), fakeR.getId("drawable", "launcher_icon")));
		} else {
			barcodeImageView.setImageBitmap(barcode);
		}

		TextView formatTextView = (TextView) findViewById(fakeR.getId("id",
				"format_text_view"));
		formatTextView.setText(rawResult.getBarcodeFormat().toString());

		TextView typeTextView = (TextView) findViewById(fakeR.getId("id",
				"type_text_view"));
		typeTextView.setText(resultHandler.getType().toString());

		DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT,
				DateFormat.SHORT);
		String formattedTime = formatter.format(new Date(rawResult
				.getTimestamp()));
		TextView timeTextView = (TextView) findViewById(fakeR.getId("id",
				"time_text_view"));
		timeTextView.setText(formattedTime);

		TextView metaTextView = (TextView) findViewById(fakeR.getId("id",
				"meta_text_view"));
		View metaTextViewLabel = findViewById(fakeR.getId("id",
				"meta_text_view_label"));
		metaTextView.setVisibility(View.GONE);
		metaTextViewLabel.setVisibility(View.GONE);
		Map<ResultMetadataType, Object> metadata = rawResult
				.getResultMetadata();
		if (metadata != null) {
			StringBuilder metadataText = new StringBuilder(20);
			for (Map.Entry<ResultMetadataType, Object> entry : metadata
					.entrySet()) {
				if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
					metadataText.append(entry.getValue()).append('\n');
				}
			}
			if (metadataText.length() > 0) {
				metadataText.setLength(metadataText.length() - 1);
				metaTextView.setText(metadataText);
				metaTextView.setVisibility(View.VISIBLE);
				metaTextViewLabel.setVisibility(View.VISIBLE);
			}
		}

		TextView contentsTextView = (TextView) findViewById(fakeR.getId("id",
				"contents_text_view"));
		CharSequence displayContents = resultHandler.getDisplayContents();
		contentsTextView.setText(displayContents);
		// Crudely scale betweeen 22 and 32 -- bigger font for shorter text
		int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
		contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);

		TextView supplementTextView = (TextView) findViewById(fakeR.getId("id",
				"contents_supplement_text_view"));
		supplementTextView.setText("");
		supplementTextView.setOnClickListener(null);
		if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
				PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
			SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
					resultHandler.getResult(), historyManager, this);
		}

		int buttonCount = resultHandler.getButtonCount();
		ViewGroup buttonView = (ViewGroup) findViewById(fakeR.getId("id",
				"result_button_view"));
		buttonView.requestFocus();
		for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
			TextView button = (TextView) buttonView.getChildAt(x);
			if (x < buttonCount) {
				button.setVisibility(View.VISIBLE);
				button.setText(resultHandler.getButtonText(x));
				button.setOnClickListener(new ResultButtonListener(
						resultHandler, x));
			} else {
				button.setVisibility(View.GONE);
			}
		}

		if (copyToClipboard && !resultHandler.areContentsSecure()) {
			ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
			if (displayContents != null) {
				clipboard.setText(displayContents);
			}
		}
	}

	// Briefly show the contents of the barcode, then handle the result outside
	// Barcode Scanner.
	@SuppressWarnings("deprecation")
	private void handleDecodeExternally(Result rawResult,
			ResultHandler resultHandler, Bitmap barcode) {

		Log.e("handleDecodeExternally 1=======>", rawResult.toString());

		if (barcode != null) {
			viewfinderView.drawResultBitmap(barcode);
		}

		long resultDurationMS = 0;
		if (getIntent() == null) {
			resultDurationMS = DEFAULT_INTENT_RESULT_DURATION_MS;
		} else {
			// resultDurationMS =
			// getIntent().getLongExtra(Intents.Scan.RESULT_DISPLAY_DURATION_MS,
			// DEFAULT_INTENT_RESULT_DURATION_MS);
		}

		// Since this message will only be shown for a second, just tell the
		// user what kind of
		// barcode was found (e.g. contact info) rather than the full contents,
		// which they won't
		// have time to read.
//		if (resultDurationMS > 0) {
//			//Log.e("条码扫描结果>>>>>", resultHandler.toString());
//			statusView.setText(getString(resultHandler.getDisplayTitle()));
//		}

//		if (copyToClipboard && !resultHandler.areContentsSecure()) {
//			ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
//			CharSequence text = resultHandler.getDisplayContents();
//			if (text != null) {
//				clipboard.setText(text);
//			}
//		}

		if (source == IntentSource.NATIVE_APP_INTENT) {
			// Hand back whatever action they requested - this can be changed to
			// Intents.Scan.ACTION when
			// the deprecated intent is retired.
			Intent intent = new Intent(getIntent().getAction());
			intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
			intent.putExtra(Intents.Scan.RESULT, rawResult.toString());
			intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult
					.getBarcodeFormat().toString());

			byte[] rawBytes = rawResult.getRawBytes();
			if (rawBytes != null && rawBytes.length > 0) {
				intent.putExtra(Intents.Scan.RESULT_BYTES, rawBytes);
			}
			Map<ResultMetadataType, ?> metadata = rawResult.getResultMetadata();
			if (metadata != null) {
				if (metadata.containsKey(ResultMetadataType.UPC_EAN_EXTENSION)) {
					intent.putExtra(Intents.Scan.RESULT_UPC_EAN_EXTENSION,
							metadata.get(ResultMetadataType.UPC_EAN_EXTENSION)
									.toString());
				}
				Integer orientation = (Integer) metadata
						.get(ResultMetadataType.ORIENTATION);
				if (orientation != null) {
					intent.putExtra(Intents.Scan.RESULT_ORIENTATION,
							orientation.intValue());
				}
				String ecLevel = (String) metadata
						.get(ResultMetadataType.ERROR_CORRECTION_LEVEL);
				if (ecLevel != null) {
					intent.putExtra(Intents.Scan.RESULT_ERROR_CORRECTION_LEVEL,
							ecLevel);
				}
				Iterable<byte[]> byteSegments = (Iterable<byte[]>) metadata
						.get(ResultMetadataType.BYTE_SEGMENTS);
				if (byteSegments != null) {
					int i = 0;
					for (byte[] byteSegment : byteSegments) {
						intent.putExtra(
								Intents.Scan.RESULT_BYTE_SEGMENTS_PREFIX + i,
								byteSegment);
						i++;
					}
				}
			}
			sendReplyMessage(fakeR.getId("id", "return_scan_result"), intent,	resultDurationMS);
			// setResult(Activity.RESULT_OK, intent);
			// finish();
			Log.e("handleDecodeExternally 2=======>", intent.toString());

		} else if (source == IntentSource.PRODUCT_SEARCH_LINK) {

			// Reformulate the URL which triggered us into a query, so that the
			// request goes to the same
			// TLD as the scan URL.
			int end = sourceUrl.lastIndexOf("/scan");
			String replyURL = sourceUrl.substring(0, end) + "?q="
					+ resultHandler.getDisplayContents() + "&source=zxing";
			sendReplyMessage(fakeR.getId("id", "launch_product_query"),
					replyURL, resultDurationMS);

		} else if (source == IntentSource.ZXING_LINK) {

			// Replace each occurrence of RETURN_CODE_PLACEHOLDER in the
			// returnUrlTemplate
			// with the scanned code. This allows both queries and REST-style
			// URLs to work.
			if (returnUrlTemplate != null) {
				CharSequence codeReplacement = returnRaw ? rawResult.getText()
						: resultHandler.getDisplayContents();
				try {
					codeReplacement = URLEncoder.encode(
							codeReplacement.toString(), "UTF-8");
				} catch (UnsupportedEncodingException e) {
					// can't happen; UTF-8 is always supported. Continue, I
					// guess, without encoding
				}
				String replyURL = returnUrlTemplate.replace(
						RETURN_CODE_PLACEHOLDER, codeReplacement);
				sendReplyMessage(fakeR.getId("id", "launch_product_query"),
						replyURL, resultDurationMS);
			}
		}
	}

	private void sendReplyMessage(int id, Object arg, long delayMS) {
		Message message = Message.obtain(handler, id, arg);
		if (delayMS > 0L) {
			handler.sendMessageDelayed(message, delayMS);
		} else {
			
			Log.d("sendReplyMessage ", " not delay ");
			handler.sendMessage(message);
			
		}
	}

	/**
	 * We want the help screen to be shown automatically the first time a new
	 * version of the app is run. The easiest way to do this is to check
	 * android:versionCode from the manifest, and compare it to a value stored
	 * as a preference.
	 */
	private boolean showHelpOnFirstLaunch() {
		try {
			PackageInfo info = getPackageManager().getPackageInfo(PACKAGE_NAME,
					0);
			int currentVersion = info.versionCode;
			SharedPreferences prefs = PreferenceManager
					.getDefaultSharedPreferences(this);
			int lastVersion = prefs.getInt(
					PreferencesActivity.KEY_HELP_VERSION_SHOWN, 0);
			if (currentVersion > lastVersion) {
				prefs.edit()
						.putInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN,
								currentVersion).commit();
				Intent intent = new Intent(this, HelpActivity.class);
				intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
				// Show the default page on a clean install, and the what's new
				// page on an upgrade.
				String page = lastVersion == 0 ? HelpActivity.DEFAULT_PAGE
						: HelpActivity.WHATS_NEW_PAGE;
				intent.putExtra(HelpActivity.REQUESTED_PAGE_KEY, page);
				startActivity(intent);
				return true;
			}
		} catch (PackageManager.NameNotFoundException e) {
			Log.w(TAG, e);
		}
		return false;
	}

	private void initCamera(SurfaceHolder surfaceHolder) {
		if (surfaceHolder == null) {
			throw new IllegalStateException("No SurfaceHolder provided");
		}
		if (cameraManager.isOpen()) {
			Log.w(TAG,
					"initCamera() while already open -- late SurfaceView callback?");
			return;
		}
		try {
			cameraManager.openDriver(surfaceHolder);
			// CameraManager.get().openDriver(surfaceHolder);
			// Creating the handler starts the preview, which can also throw a
			// RuntimeException.
			if (handler == null) {
				handler = new CaptureActivityHandler(this, decodeFormats,
						characterSet, cameraManager);
			}
			decodeOrStoreSavedBitmap(null, null);
		} catch (IOException ioe) {
			Log.w(TAG, ioe);
			displayFrameworkBugMessageAndExit();
		} catch (RuntimeException e) {
			// Barcode Scanner has seen crashes in the wild of this variety:
			// java.?lang.?RuntimeException: Fail to connect to camera service
			Log.w(TAG, "Unexpected error initializing camera", e);
			displayFrameworkBugMessageAndExit();
		}

	}

	private void displayFrameworkBugMessageAndExit() {
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setTitle(getString(fakeR.getId("string", "app_name")));
		builder.setMessage(getString(fakeR.getId("string",
				"msg_camera_framework_bug")));
		builder.setPositiveButton(fakeR.getId("string", "button_ok"),
				new FinishListener(this));
		builder.setOnCancelListener(new FinishListener(this));
		builder.show();
	}

	public void restartPreviewAfterDelay(long delayMS) {
		if (handler != null) {
			handler.sendEmptyMessageDelayed(
					fakeR.getId("id", "restart_preview"), delayMS);
		}
		resetStatusView();
	}

	private void resetStatusView() {
		resultView.setVisibility(View.GONE);
		statusView.setText(fakeR.getId("string", "msg_default_status"));
		statusView.setVisibility(View.VISIBLE);
		viewfinderView.setVisibility(View.VISIBLE);
		lastResult = null;
	}

	public void drawViewfinder() {
		viewfinderView.drawViewfinder();
	}

	/**
	 * 中文乱码
	 * 
	 * 暂时解决大部分的中文乱码 但是还有部分的乱码无法解决 .
	 * 
	 * 如果您有好的解决方式 请联系 2221673069@qq.com
	 * 
	 * 我会很乐意向您请教 谢谢您
	 * 
	 * @return
	 */
	private String recode(String str) {
		String formart = "";

		try {
			boolean ISO = Charset.forName("ISO-8859-1").newEncoder()
					.canEncode(str);
			if (ISO) {
				formart = new String(str.getBytes("ISO-8859-1"), "GB2312");
				Log.i("1234      ISO8859-1", formart);
			} else {
				formart = str;
				Log.i("1234      stringExtra", str);
			}
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return formart;
	}

	/**
	 * //TODO: TAOTAO 将bitmap由RGB转换为YUV //TOOD: 研究中
	 * 
	 * @param bitmap
	 *            转换的图形
	 * @return YUV数据
	 */
	public byte[] rgb2YUV(Bitmap bitmap) {
		// 该方法来自QQ空间
		int width = bitmap.getWidth();
		int height = bitmap.getHeight();
		int[] pixels = new int[width * height];
		bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

		int len = width * height;
		byte[] yuv = new byte[len * 3 / 2];
		int y, u, v;
		for (int i = 0; i < height; i++) {
			for (int j = 0; j < width; j++) {
				int rgb = pixels[i * width + j] & 0x00FFFFFF;

				int r = rgb & 0xFF;
				int g = (rgb >> 8) & 0xFF;
				int b = (rgb >> 16) & 0xFF;

				y = ((66 * r + 129 * g + 25 * b + 128) >> 8) + 16;
				u = ((-38 * r - 74 * g + 112 * b + 128) >> 8) + 128;
				v = ((112 * r - 94 * g - 18 * b + 128) >> 8) + 128;

				y = y < 16 ? 16 : (y > 255 ? 255 : y);
				u = u < 0 ? 0 : (u > 255 ? 255 : u);
				v = v < 0 ? 0 : (v > 255 ? 255 : v);

				yuv[i * width + j] = (byte) y;
				// yuv[len + (i >> 1) * width + (j & ~1) + 0] = (byte) u;
				// yuv[len + (i >> 1) * width + (j & ~1) + 1] = (byte) v;
			}
		}
		return yuv;
	}
}
